ROME is a set of RSS and Atom Utilities for Java. It makes it easy to work in Java with most syndication formats: RSS 0.90, RSS 0.91 Netscape, RSS 0.91 Userland, RSS 0.92, RSS 0.93, RSS 0.94, RSS 1.0, RSS 2.0, Atom 0.3, Atom 1.0

More Information: http://rometools.github.io/rome-opml/